<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>弹幕查询</title>
</head>
<body>
    <form action="{{url_for('reg')}}" method="post">
        查询:<input type="text" name="aid">
        <button>点击查询</button>
    </form>
</body>
</html>